00000nam a2200000 a 4500 20251203114921.0 9781470454739 515.7 HAA Hasse, Markus _ Functional analysis an elementary introduction Indian ed. Providence, RI AMS 2019 xviii, 372 p. 24 cm. PB Graduate studies in mathematics Vol 156 Includes index _ Mathematics Functional analysis _ _ _ 214502 R 203355 203355 0 0 0 1 PU PU 2019-12-17 84.00 0 515.7 HAA 214502 R